Home / 220,226.28-330,361.22-70,428.93

Finding the Fourth Proportional to 220,226.28, 330,361.22 and 70,428.93

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Solution

The fourth proportional to 220,226.28, 330,361.22 and 70,428.93 is: 105,650.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,226.28 : 330,361.22 = 70,428.93 : x
  2. Step 2: Convert to fraction form
    220,226.28/330,361.22 = 70,428.93/x
  3. Step 3: Cross multiply
    220,226.28x = 330,361.22 × 70,428.93
  4. Step 4: Simplify right side
    220,226.28x = 23,266,987,238.09
  5. Step 5: Solve for x
    x = 23,266,987,238.09/220,226.28
  6. Step 6: Final answer
    x = 105,650.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.